Finding the Fourth Proportional to 16,300.20, 22,499.58 and 9,585.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.20 : 22,499.58 = 9,585.48 : x
2. Step 2: Convert to fraction form
   16,300.20/22,499.58 = 9,585.48/x
3. Step 3: Cross multiply
   16,300.20x = 22,499.58 × 9,585.48
4. Step 4: Simplify right side
   16,300.20x = 215,669,274.10
5. Step 5: Solve for x
   x = 215,669,274.10/16,300.20
6. Step 6: Final answer
   x = 13,231.08